When was the Dolphin 3K invented?

The Dolphin 3K was invented by the Japanese Marine Science and Technology in 1989.

1. How deep can the Dolphin 3K go?
2. What type of data does the Dolphin 3K collect?

How deep can the Dolphin 3K go?

Dolphin 3K is a tethered deep ROV that has a maximum depth capability of 3300 m and was built in 1986 [Hattori et al., 1988, 1989].

What type of data does the Dolphin 3K collect?

The Dolphin 3k collects experimental data. The Dolphin 3K uses Marine Science Technology.